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Finding the Fourth Proportional to 188,830.08, 260,584.32 and 103,952.64

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Solution

The fourth proportional to 188,830.08, 260,584.32 and 103,952.64 is: 143,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,830.08 : 260,584.32 = 103,952.64 : x
  2. Step 2: Convert to fraction form
    188,830.08/260,584.32 = 103,952.64/x
  3. Step 3: Cross multiply
    188,830.08x = 260,584.32 × 103,952.64
  4. Step 4: Simplify right side
    188,830.08x = 27,088,428,006.60
  5. Step 5: Solve for x
    x = 27,088,428,006.60/188,830.08
  6. Step 6: Final answer
    x = 143,453.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.